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Under Armour
Fusion Amphibian Short - Men's

4.8 out of 5 stars
5 Reviews

Out of Stock

Don't worry though, we have a lot more Men's River & Water Shorts in stock than that.

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Why We Like the Fusion Amphibian Short

No matter how much we love trail running, sometimes a post-run dip in a lake is just what we're looking for when we're sweaty and tired. Thanks to Under Armour Storm technology and quick-drying fabrics, the Fusion Amphibian Short is the ideal option for days like those. We're a fan of the four-way stretch, lightweight, and durable fabric these shorts are made from, and we think they're a great option for daily runs or a quick jump in our local swimming hole.


  • Super-light shorts that are suited equally for running and swimming
  • UA Storm technology repels water and maintains breathability
  • Four-way stretch construction is lightweight and flexible
  • Open hand pockets and a secure zip pocket offer room for essentials
  • UPF 40 offers protection from the sun's harmful rays
  • Soft elastic waistband is adjustable with an easy drawcord
  • Item #UNDP4RS
87% polyester, 13% elastane
2 hand, 1 back zippered
Recommended Use
beachwear, casual, road running, trail running
Manufacturer Warranty
limited lifetime